. "North, Susan. 'The Physical Manifestation of an Abstraction: A Pair of 1750s Waistcoat Shapes', Textile History, 39:1, May 2008, pp. 92-104"@en . . "North, Susan. 'The Physical Manifestation of an Abstraction: A Pair of 1750s Waistcoat Shapes', Textile History, 39:1, May 2008, pp. 92-104"@en . .